Patents by Inventor John Robert McPhee

John Robert McPhee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20210341253
    Abstract: Movement-free quick detach latches. The latches include a monolithic body, a button, a spring, and ball-bearings configured to reduce or eliminate movement when attaching or removing the latch from a rifle, eliminate moving parts that may fail in use, remove the interfacing of a bail with the button, and lower the profile of the latch with the rifle.
    Type: Application
    Filed: April 30, 2021
    Publication date: November 4, 2021
    Inventor: John Robert McPhee
  • Patent number: 9239198
    Abstract: A magazine loader for loading cartridges into a magazine is provided. The magazine loader may include a base member configured for positioning on an open end of the magazine, a first cartridge support member extending from the base member, and a second cartridge support member extending from the base member. The first cartridge support member may include a first slot configured for receiving a base end of each of the cartridges. The second cartridge support member may include a second slot configured for receiving a tip end of each of the cartridges. A related system for loading and storing cartridges for a firearm also is provided.
    Type: Grant
    Filed: March 17, 2014
    Date of Patent: January 19, 2016
    Inventor: John Robert McPhee
  • Publication number: 20140311008
    Abstract: A magazine loader for loading cartridges into a magazine is provided. The magazine loader may include a base member configured for positioning on an open end of the magazine, a first cartridge support member extending from the base member, and a second cartridge support member extending from the base member. The first cartridge support member may include a first slot configured for receiving a base end of each of the cartridges. The second cartridge support member may include a second slot configured for receiving a tip end of each of the cartridges. A related system for loading and storing cartridges for a firearm also is provided.
    Type: Application
    Filed: March 17, 2014
    Publication date: October 23, 2014
    Inventor: John Robert McPhee
  • Publication number: 20140101982
    Abstract: Methods and systems for providing a firearm sighting optic, including a body having a first lens at a first end and a second lens at a second end, and a reticle associated therewith and a level device integral to the body and providing a visual indication of a rotation of the firearm sighting optic with reference to a predetermined plane, wherein the indication is presented in association with the reticle.
    Type: Application
    Filed: October 17, 2013
    Publication date: April 17, 2014
    Inventor: John Robert McPhee
  • Patent number: D940811
    Type: Grant
    Filed: May 1, 2020
    Date of Patent: January 11, 2022
    Inventor: John Robert McPhee